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A018663
as a simple table
n
a(n)
1
1
2
3
3
7
4
9
5
13
6
21
7
39
8
63
9
91
10
117
11
273
12
819
[1,3,7,9,13,21,39,63,91,117,273,819]
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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)
